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rpi: add support for codecs other than h264 

FFmpeg now supports h264 and mpeg2. At least vc-1 will probably follow.
This commit is contained in:
wm4 2015-11-05 17:24:35 +01:00
parent 66ed50aa00
commit 2cf9ee989c
3 changed files with 20 additions and 7 deletions
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2
video/decode/lavc.h
View File

@ -56,7 +56,7 @@ struct vd_lavc_hwdec {
void (*lock)(struct lavc_ctx *ctx);
void (*unlock)(struct lavc_ctx *ctx);
// Optional; if a special hardware decoder is needed (instead of "hwaccel").
const char *(*get_codec)(struct lavc_ctx *ctx);
const char *(*get_codec)(struct lavc_ctx *ctx, const char *codec);
};
enum {

23
video/decode/rpi.c
View File

@ -18,6 +18,21 @@
#include "lavc.h"
#include "common/common.h"
static const char *const codecs[][2] = {
{"h264", "h264_mmal"},
{"mpeg2video", "mpeg2_mmal"},
{0}
};
static const char *map_codec(const char *c)
{
for (int n = 0; codecs[n][0]; n++) {
if (c && strcmp(codecs[n][0], c) == 0)
return codecs[n][1];
}
return NULL;
}
static int init_decoder(struct lavc_ctx *ctx, int w, int h)
{
return 0;
@ -35,14 +50,12 @@ static int init(struct lavc_ctx *ctx)
static int probe(struct vd_lavc_hwdec *hwdec, struct mp_hwdec_info *info,
const char *decoder)
{
if (strcmp(decoder, "h264") != 0)
return HWDEC_ERR_NO_CODEC;
return 0;
return map_codec(decoder) ? 0 : HWDEC_ERR_NO_CODEC;
}
static const char *get_codec(struct lavc_ctx *ctx)
static const char *get_codec(struct lavc_ctx *ctx, const char *codec)
{
return "h264_mmal";
return map_codec(codec);
}
const struct vd_lavc_hwdec mp_vd_lavc_rpi = {

2
video/decode/vd_lavc.c
View File

@ -327,7 +327,7 @@ static int init(struct dec_video *vd, const char *decoder)
if (hwdec) {
ctx->software_fallback_decoder = talloc_strdup(ctx, decoder);
if (hwdec->get_codec)
decoder = hwdec->get_codec(ctx);
decoder = hwdec->get_codec(ctx, decoder);
MP_VERBOSE(vd, "Trying hardware decoding.\n");
} else {
MP_VERBOSE(vd, "Using software decoding.\n");